name: Build & Push Docker Image
run-name: Build ${{ gitea.ref_name }}

on:
  push:
    branches: [main]
    tags: ["v*"]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ gitea.server_url }}
          username: ${{ secrets.GITEA_USER }}
          password: ${{ secrets.GITEA_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ gitea.server_url }}/${{ gitea.repository }}
          tags: |
            type=sha,format=long
            type=ref,event=branch

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Update k8s manifest in admin/apps
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          IMAGE_TAG: ${{ steps.meta.outputs.tags }}
        run: |
          SHA=$(echo "$IMAGE_TAG" | grep -oE 'sha-[a-f0-9]+' | head -1)
          if [ -z "$SHA" ]; then SHA=$(echo "$IMAGE_TAG" | grep -oE 'main-[a-f0-9]+' | head -1); fi
          if [ -z "$SHA" ]; then echo "No SHA tag found"; exit 1; fi

          git clone "https://admin:${GITEA_TOKEN}@git.kubebase.de/admin/apps.git" /tmp/apps
          cd /tmp/apps
          cd apps/toolrate/overlays/k3s
          sed -i "s|newTag: .*|newTag: ${SHA}|" kustomization.yaml
          git config user.name "Gitea Actions"
          git config user.email "actions@git.kubebase.de"
          git add -A
          git diff --cached --quiet || git commit -m "chore: update toolrate image to ${SHA}"
          git push